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Gemological Institute of America
4 天
镶工技巧 10:利用向量紧缩克服爪部金属记忆
宝石的镶嵌部分如若松动,会对宝石和镶嵌底座都造成损害。 定期检查珠宝可以及早发现这个问题,避免造成更大的损害。 向量紧缩爪镶宝石是固定宝石的一种快速、安全、有效的方法。 我们将用这个四爪圆形明亮式切工宝石作为例子。 如果您只是尝试将爪部 ...
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